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Dr Woodhouse used photo-editing software to remove the trees from Constable's The Haywain
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He also erased trees from Seurat's Sunday afternoon on the Island of Grande Jatte
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Van Gogh's Olive Trees with Yellow Sky and Sun also had the trees taken out

He said: "It is crucial that trees do not disappear from our landscapes."

Dr Woodhouse, an expert in the satellite mapping of forests, used photo-editing software to erase the trees from the famous works.

He added: "Trees are a vital global resource, providing fuel, shelter, clean water and food for many species including people, and helping to maintain a healthy atmosphere by harvesting carbon dioxide."